With The Grappling Doc app, you can start tracking your workouts and achieving your jiu jitsu goals, all with the help of Dr. Kenny Gu
Updated on
Dec 20, 2025
Health & Fitness
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.